Astronomers detect ancient lonely quasars with murky origins
A quasar is the extremely bright core of a galaxy that hosts an active supermassive black hole at its center. As the black hole draws in surrounding gas and dust, it blasts out an enormous amount of energy, making quasars some of the brightest object.....»»
Astronomers explore the nature of galaxy NGC 891 with JWST
Using the James Webb Space Telescope (JWST), an international team of astronomers has observed a nearby spiral galaxy known as NGC 891. Results of the observational campaign, published August 15 on the preprint server arXiv, provide more insights int.....»»
Astronomers think they’ve found a plausible explanation of the Wow! signal
Magnetars could zap clouds of atomic hydrogen, producing focused microwave beams. Enlarge / The Wow! signal, represented as "6EQUJ5," was discovered in 1977 by astronomer Jerry Ehman. (credit: Public domain) An unusually.....»»
Ancient microbes linked to evolution of human immune proteins
When you become infected with a virus, some of the first weapons your body deploys to fight it are those passed down to us from our microbial ancestors billions of years ago. According to new research from The University of Texas at Austin, two key e.....»»
The Wow! Signal deciphered—it was hydrogen all along, study says
In 1977, astronomers received a powerful, peculiar radio signal from the direction of the constellation Sagittarius. Its frequency was the same as neutral hydrogen, and astronomers had speculated that any ETIs attempting to communicate would naturall.....»»
MeerKAT observations detect a mysterious faint radio ring
An international team of astronomers reports a serendipitous discovery of a new radio ring toward the Galactic center. The newfound object is relatively faint and its true nature is yet unknown. The finding was reported in a research paper forthcomin.....»»
How did Joker 2 begin? Director Todd Phillips reveals the origins behind 2024’s hottest sequel
Todd Phillips explains how the idea for Joker 2 originally started as a Broadway musical with star Joaquin Phoenix......»»
Ancient civilizations had ways to counter the urban heat island effect—how history"s lessons apply to cities today
As intense heat breaks records around the world, a little-reported fact offers some hope for cooling down cities: Under even the most intense periods of extreme heat, some city blocks never experience heat wave temperatures......»»
Astronomers discover spectacular increase in the deuterium to hydrogen ratio in Venus"s atmosphere
Thanks to observations by the Solar Occultation in the Infrared (SOIR) instrument on the Venus Express space probe of the European Space Agency (ESA), researchers have discovered an unexpected increase in the abundances of two water molecule variants.....»»
New simulations shed light on stellar destruction by supermassive black holes
Monash University astronomers have contributed to a breakthrough in understanding the dramatic fate of stars that wander too close to supermassive black holes at the centers of galaxies......»»
Astronomers explore the properties of quasar 1604+159
Chinese astronomers have conducted multi-frequency polarimetric observations of a quasar known as 1604+159. Results of the observational campaign, published August 13 on the pre-print server arXiv, shed more light on the properties of this quasar, in.....»»
Ancient tree resin artifacts provide earliest-known evidence of humans dispersing through the Pacific
Exactly when and how humans dispersed into and through the Pacific remains an intensely debated topic. Previous studies have been hampered by imprecise chronometric dating, making the exact timing and movement of people into the Pacific difficult to.....»»
A galactic "conspiracy" disproven: Dark matter and stars not interacting as previously thought
A longstanding 'conspiracy' in astronomy—that stars and dark matter are interacting in inexplicable ways—has been overturned by an international team of astronomers, in a paper in Monthly Notices of the Royal Astronomical Society......»»
Can Grammarly"s AI bloodhound sniff out text written by ChatGPT?
Grammarly releases new Grammarly Authorship feature to detect AI-written text,.....»»
Mapping Martian meteorites: Tracing origins on the red planet
Researchers have identified the specific locations from which most of the approximately 200 Martian meteorites originate. They've traced the meteorites to five impact craters within two volcanic regions on the red planet called Tharsis and Elysium. T.....»»
Observations investigate the connection of a supernova remnant with a nearby H II region
Chinese astronomers have performed multi-wavelength observations of a galactic supernova remnant known as HB9. Results of the observational campaign, published August 9 on the preprint server arXiv, shed more light on the remnant's properties and its.....»»
Four things ancient Greeks and Romans got right about mental health
According to the World Health Organization, about 280 million people worldwide have depression and about one billion have a mental health problem of any kind......»»
The bee"s knees: New tests created to find fake honey
Researchers led by Cranfield University have developed new ways to detect sugar syrup adulteration in honey, paving the way for fast and accurate tests to discover fake products......»»
Ancient DNA reveals Indigenous dog lineages found at Jamestown, Virginia
Previous scientific studies have indicated that North American dog lineages were replaced with European ones between 1492 and the present day. To better understand the timing of this replacement, researchers from the University of Illinois Urbana-Cha.....»»
This Code Breaker Is Using AI to Decode the Heart’s Secret Rhythms
Inspired by his expertise in breaking ancient codes, Roeland Decorte built a smartphone app that continuously listens for signs of disease hidden in our pulse......»»
New Windows 11 build removes ancient, arbitrary 32GB size limit for FAT32 disks
But the Windows NT-era disk formatting UI hasn't been fixed yet. Enlarge / If you've formatted a disk in Windows in the last 30 years, you may have come across this dialog box. (credit: Andrew Cunningham) As we wait for.....»»